SCIENCE

Solar-powered ambush drones can wait for targets like land mines

A Russian ambush drone with solar panels seen in Ukraine Serhii Beskrestnov Small racing quadcopters carrying explosives, known as first-person-view drones or FPVs, have become

SCIENCE

Solar drone with wingspan wider than jumbo jet could fly for months

The Skydweller drone Skydweller A solar-powered surveillance drone with a wingspan larger than a Boeing 747 jumbo jet could fly for weeks or months at

SCIENCE

AI beats goalkeepers at predicting which way penalty taker will shoot

Goalkeepers struggle to guess which way a penalty taker will shoot JAVIER SORIANO/AFP via Getty Images Deep learning models trained on more than 1000 penalty

SCIENCE

Your chance of having a boy or girl may not be 50/50

A woman’s age may determine whether she has only sons or daughters Marko Pekic/Getty Images You may assume that a woman’s chance of having a

SCIENCE

Neanderthal groups had their own local food culture

An illustration of a Neanderthal group preparing food LUIS MONTANYA/MARTA MONTANYA/SCIENCE PHOTO LIBRARY Neanderthals may have had traditional ways of preparing food that were particular

SCIENCE

Most warming this century may be due to air pollution cuts

Sulphate pollution, which has a cooling effect, can come from coal power plants Frank Herrmann/Getty Images Clouds have been getting darker and reflecting less sunlight

SCIENCE

Artificial cooling ‘urgent’ for Great Barrier Reef after warming spike

Coral bleaching in the Great Barrier Reef off Queensland, Australia Nature Picture Library/Alamy Strategies to artificially shade Australia’s Great Barrier Reef from rising temperatures are

SCIENCE

Forests’ vanishing snow is also bad news for carbon storage

Forests like Mount Mansfield State Forest in Vermont are losing their snowpacks Douglas Rissing/Getty Images Many forests are losing their winter snowpack as global temperatures

SCIENCE

Ancient mass extinction shows how Earth turned into a super-greenhouse

Global warming is causing forest die-offs today, just as it did during the Permian-Triassic extinction event INA FASSBENDER/AFP via Getty Images After a sharp rise

SCIENCE

Stunning image of a supernova reveals a dead star that exploded twice

Two concentric rings appear around the supernova remnant SNR 0509-67.5, indicating that it exploded twice ESO/P. Das et al. Background stars (Hubble): K. Noll et